Neither of us has sustained mag failure but maybe we invest in better equipment or take better care of our gear.

Doubtful.

Look, I know some people who approach the 5k-8k/month mark. They are either factory-sponsored high-level IPSC/IDPA shooters who are shooting OPA, or full-time high-end trainers. Maybe members of some extremely high-speed/low-drag outfits hit that pace in a pre-deployment workup.

If you're working a 40-hr/wk. job, OTOH, that's 31-50 rounds every single hour you're not sleeping or at work. You sure you want to stick with that claim?